Advertisements
Advertisements
Questions
Name the principle on the basis of which optical fibres work.
On what principle does optical fibre work?
Name the physical principle of optical fibers.
Name the physical principle on which the working of optical fibers is based.
Answer the following question briefly and to the point:
Name the physical principle on the basis of which optical fibres work.
Advertisements
Solution
Optical fibres work on the principle of total internal reflection.
APPEARS IN
RELATED QUESTIONS
What do you understand by the deviation produced by a prism? Why is it caused?
Total internal reflection occurs only when a ray of light passes from a ______ medium to a ______ medium.
How does a ray of light bend when it travels from rarer to denser medium
Answer the following question.
Define the critical angle of incidence and obtain an expression for it.
The angle of minimum deviation produced by a thin glass prism in air is 'δ'. If that prism is immersed in water, the angle of minimum deviation will be ______.
( aμg = refractive index of glass w.r.t, air aμw = refractive index of water w.r.t. air)
Optical Fibres are based on the phenomenon of dispersion.
The angle of incidence at which the angle of refraction is Q£ is called the critical angle.
What are the conditions to achieve total internal reflection?
What is a mirage? How does it occur?
Name any two phenomena which take place in the formation of a rainbow.
